Some messenges coming incorrect - why?

Hello, Silent Bob.
May be you can help me too.

I can't understand where is the problem. 

I have made my own FB with 4 instant ALARM_8P. All like in FAQ. 
Massage make from txt library @9W%t#Block@: @1W%t#Block@

And not all msg incoming correct. Part msgs is normal. Part witout 1st text (@9W%t#Block@). Another part without 2nd (@1W%t#Block@), and even (: @9W%t#Block@).

When I call 4 standalong  alarm_8p in OB  - all is good. 

I have tryed very different cases: And nothing help.

I had did not see restrictions in documentation about the used number blocks of alarm_8p in another FB. 

link to download my testProject.

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Split from EV_ID of Alarm_8P.